tests: move mocks to tests/*

tests/mocks/api/github/rest/activity/listRepoEvents.mjs

@@ -0,0 +1,8 @@
+//Imports
+import listEventsForAuthenticatedUser from "./listEventsForAuthenticatedUser.mjs"
+
+/**Mocked data */
+export default function({faker}, target, that, [{username:login, page, per_page}]) {
+  console.debug("metrics/compute/mocks > mocking rest api result > rest.activity.listRepoEvents")
+  return listEventsForAuthenticatedUser(...arguments)
+}